M8 Turret Roller Ring Covers stencil set. This is a 17 piece set,  made from oil board. These are the 0-32 L and 0-32 R style of markings. The style of font is broken with webs. Block style of font is available in paint mask. There are 2  separate stencils for each of the inner and outer levels of  the 8 turret roller ring covers and an 1 alignment arrow stencil.
 
Oil Board is a reusable oil impregnated heavy paper material traditionaly used by the Military in marking vehicles in the field. It does not provide as clean edge as the Paint Mask.  It is possible to get a "very good" edge using a repositionable adhesive spray.